1. Division of Microbiology; Department of Pathobiology; School of Public Health; Tehran University of Medical Sciences; Tehran Iran
2. Food Microbiology Research Center; Tehran University of Medical Sciences; Tehran Iran
3. Department of Epidemiology and Biostatistics; Tehran University of Medical Sciences; Tehran Iran
4. Department of Microbiology; Reference Health Laboratories; Ministry of Health; Tehran Iran
5. Department of Pathology; Tehran Heart Center; Tehran University of Medical Sciences; Tehran Iran
6. Department of Infectious Diseases; Pediatrics Infectious Diseases Research Center; Children's Medical Center; Tehran University of Medical Sciences; Tehran Iran